Your worlds, connected.

Map the world that lives in your head.

How Leylines works

Build Your World
Character
Location
Faction
1

Build Your World

Create realms, infinite canvas workspaces for characters, locations, factions, and more. Draw leylines between nodes to map relationships. Use portals to connect realms into a living atlas.

The tools

Custom-built worldbuilding helpers powered by real linguistics and deterministic algorithms, not AI.

Conlang Engine

Build constructed languages with morpheme-based name generation. 8 aesthetic starting points, editable phoneme inventories, root vocabularies, and full etymology tracking.

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The Forge

Context-aware generators that pull from your world data. NPCs, settlements, and names shaped by the languages and factions you've built.

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The Chronicler

Interactive timeline with custom calendars, nested eras, event date ranges, and styled event pills. Visualize your world's history across the ages.

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Codex

Curated wiki view of your world. Organize nodes into sections with four article layouts, auto-generated related articles, and a browsable table of contents.

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Atlas

Pin nodes to uploaded maps, paint regions with brush tools, and track distances with a ruler. Fog of war hides unexplored areas from players.

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Inquiry

Query engine for your world data. Filter by type, template, folder, tags, and connections. Four view modes, saved queries, and bulk editing.

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Free is generous and everything you need to build and maintain your own world with our tools. Pro is for when you need more space, more worlds, or want to collaborate.

Early Bird

Leylines is in early access. Sign up now and lock in Pro at half price — yours to keep forever, even after we raise the price.

Free $0

1 world, 6 realms, 500 MB storage.

Unlimited nodes, connections, and fragments.

Custom-built conlang engine with 8 aesthetic starting points.

Graph view, veil system, and wikilinks.

All worldbuilding tools and generators.

Obsidian import and export.

30-day version history.

Start Free
Pro — Early Bird $2.50/mo
$4.99/mo Save 50%

Everything in Free, plus:

Unlimited worlds and realms.

10 GB storage.

Real-time collaboration and teams.

Language evolution and sound changes.

Custom styles and folder backgrounds.

Presentation mode and static export.

Priority support.

Price locked in for life.

Get Early Bird Pro
Infinite Canvas [[Wikilinks]] Graph View Veil System Obsidian Export Your Data

Your world belongs to you. Encrypted at rest, exportable as Markdown and JSON, deletable at any time. No AI training, no third-party sharing. We make the craft tools. You make the world.

Start Building Free